/*
 *  Openmysee
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */
#include "StdAfx.h"
#include "CriticalSection.h"

///////////////////////////////////////////////////////////////////////////////
// CriticalSection
///////////////////////////////////////////////////////////////////////////////

CriticalSection::CriticalSection()
{
   ::InitializeCriticalSection(&m_crit);
}
      
CriticalSection::~CriticalSection()
{
   ::DeleteCriticalSection(&m_crit);
}

#if(_WIN32_WINNT >= 0x0400)
bool CriticalSection::TryEnter()
{
   return TRUE ==(::TryEnterCriticalSection(&m_crit));
}
#endif

void CriticalSection::Enter()
{
   ::EnterCriticalSection(&m_crit);
}

void CriticalSection::Leave()
{
   ::LeaveCriticalSection(&m_crit);
}

///////////////////////////////////////////////////////////////////////////////
// CriticalSection::Owner
///////////////////////////////////////////////////////////////////////////////

CriticalSection::Owner::Owner(
   CriticalSection &crit)
   : m_crit(crit)
{
   m_crit.Enter();
}

CriticalSection::Owner::~Owner()
{
   m_crit.Leave();
}